1906821440

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:241

約数の個数: 224

約数和(自身を含む): 4977262080

約数和(自身を除く): 3070440640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 46, 64, 71, 80, 82, 89, 92, 115, 142, 160, 164, 178, 184, 205, 230, 284, 320, 328, 355, 356, 368, 410, 445, 460, 568, 656, 710, 712, 736, 820, 890, 920, 943, 1136, 1312, 1420, 1424, 1472, 1633, 1640, 1780, 1840, 1886, 2047, 2272, 2624, 2840, 2848, 2911, 3266, 3280, 3560, 3649, 3680, 3772, 4094, 4544, 4715, 5680, 5696, 5822, 6319, 6532, 6560, 7120, 7298, 7360, 7544, 8165, 8188, 9430, 10235, 11360, 11644, 12638, 13064, 13120, 14240, 14555, 14596, 15088, 16330, 16376, 18245, 18860, 20470, 22720, 23288, 25276, 26128, 28480, 29110, 29192, 30176, 31595, 32660, 32752, 36490, 37720, 40940, 46576, 50552, 52256, 58220, 58384, 60352, 63190, 65320, 65504, 66953, 72980, 75440, 81880, 83927, 93152, 101104, 104512, 116440, 116768, 126380, 130640, 131008, 133906, 145337, 145960, 150880, 163760, 167854, 186304, 202208, 232880, 233536, 252760, 259079, 261280, 267812, 290674, 291920, 301760, 327520, 334765, 335708, 404416, 419635, 465760, 505520, 518158, 522560, 535624, 581348, 583840, 655040, 669530, 671416, 726685, 839270, 931520, 1011040, 1036316, 1071248, 1162696, 1167680, 1295395, 1339060, 1342832, 1453370, 1678540, 2022080, 2072632, 2142496, 2325392, 2590790, 2678120, 2685664, 2906740, 3357080, 4145264, 4284992, 4650784, 5181580, 5356240, 5371328, 5813480, 5958817, 6714160, 8290528, 9301568, 10363160, 10712480, 11626960, 11917634, 13428320, 16581056, 20726320, 21424960, 23253920, 23835268, 26856640, 29794085, 41452640, 46507840, 47670536, 59588170, 82905280, 95341072, 119176340, 190682144, 238352680, 381364288, 476705360, 953410720, 1906821440]

約数ペア:

[(1, 1906821440), (2, 953410720), (4, 476705360), (5, 381364288), (8, 238352680), (10, 190682144), (16, 119176340), (20, 95341072), (23, 82905280), (32, 59588170), (40, 47670536), (41, 46507840), (46, 41452640), (64, 29794085), (71, 26856640), (80, 23835268), (82, 23253920), (89, 21424960), (92, 20726320), (115, 16581056), (142, 13428320), (160, 11917634), (164, 11626960), (178, 10712480), (184, 10363160), (205, 9301568), (230, 8290528), (284, 6714160), (320, 5958817), (328, 5813480), (355, 5371328), (356, 5356240), (368, 5181580), (410, 4650784), (445, 4284992), (460, 4145264), (568, 3357080), (656, 2906740), (710, 2685664), (712, 2678120), (736, 2590790), (820, 2325392), (890, 2142496), (920, 2072632), (943, 2022080), (1136, 1678540), (1312, 1453370), (1420, 1342832), (1424, 1339060), (1472, 1295395), (1633, 1167680), (1640, 1162696), (1780, 1071248), (1840, 1036316), (1886, 1011040), (2047, 931520), (2272, 839270), (2624, 726685), (2840, 671416), (2848, 669530), (2911, 655040), (3266, 583840), (3280, 581348), (3560, 535624), (3649, 522560), (3680, 518158), (3772, 505520), (4094, 465760), (4544, 419635), (4715, 404416), (5680, 335708), (5696, 334765), (5822, 327520), (6319, 301760), (6532, 291920), (6560, 290674), (7120, 267812), (7298, 261280), (7360, 259079), (7544, 252760), (8165, 233536), (8188, 232880), (9430, 202208), (10235, 186304), (11360, 167854), (11644, 163760), (12638, 150880), (13064, 145960), (13120, 145337), (14240, 133906), (14555, 131008), (14596, 130640), (15088, 126380), (16330, 116768), (16376, 116440), (18245, 104512), (18860, 101104), (20470, 93152), (22720, 83927), (23288, 81880), (25276, 75440), (26128, 72980), (28480, 66953), (29110, 65504), (29192, 65320), (30176, 63190), (31595, 60352), (32660, 58384), (32752, 58220), (36490, 52256), (37720, 50552), (40940, 46576)]